diff --git a/crypto/aegis128.c b/crypto/aegis128.c
index c22f4414856d9939cbd23774bd7091c84d8fa497..96e078a8a00a1d94f2a4f259126fb26885fe51e9 100644
--- a/crypto/aegis128.c
+++ b/crypto/aegis128.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * The AEGIS-128 Authenticated-Encryption Algorithm
  *
  * Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com>
  * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
  */
 
 #include <crypto/algapi.h>
diff --git a/crypto/aegis128l.c b/crypto/aegis128l.c
index b6fb21ebdc3e8a6e7d72bd9f3602d5d95c227d18..a210e779b911b4a1a1c6a1068ae578eaf4a0afac 100644
--- a/crypto/aegis128l.c
+++ b/crypto/aegis128l.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * The AEGIS-128L Authenticated-Encryption Algorithm
  *
  * Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com>
  * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
  */
 
 #include <crypto/algapi.h>
diff --git a/crypto/aegis256.c b/crypto/aegis256.c
index 11f0f8ec9c7c27d77a8338a0451da8d387c15360..49882a28e93e97ca9741a19dce5682661274f829 100644
--- a/crypto/aegis256.c
+++ b/crypto/aegis256.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * The AEGIS-256 Authenticated-Encryption Algorithm
  *
  * Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com>
  * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
  */
 
 #include <crypto/algapi.h>